I have a 2003 6.0... currenlty no problems and I want to keep it that way. Since I just recenetly bought it I am investing on some maintence precautions (deletes, coolers, coolant filter, etc.) Well I asked around and it seemed the common response before adding a coolant filter was to change out the coolant as the truck has 100k on it and who knows if it was changed.
So i took it in and had a flush. I told them speficially to use the Gold as required by the Ford (I know it is uo for debate but according to many and powerstrokehelp.com when in doubt use the Ford stuff) Anyways here is my situation. They used VC7A and not vc7b. The ford dealership told be the only difference between the two was one is bought in bulk and the other by bottle, and i am ok. I think they just don;t want to do it again, but I don;t know with so many potentional issues with the 6.0 becuase of the coolant. Is there a difference and is it ok to use the VC7A??????????

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